/* ============================================================
   SCREENS RAIL — 3D gallery for project screenshots
   phone variant: rotating 3D phone mockups
   desktop variant: browser-style frames
   ============================================================ */
.screens-rail { position: relative; outline: none; }
.srail-stage {
  position: relative;
  width: 100%;
  perspective: 1700px;
  overflow: visible;   /* let side phones show fully; body has overflow-x:clip */
  cursor: grab;
  touch-action: pan-y;
}
.srail-stage:active { cursor: grabbing; }
.srail-card {
  position: absolute;
  left: 50%;
  top: 50%;
  transform-style: preserve-3d;
  transition: transform .65s cubic-bezier(.22,.8,.26,1), opacity .65s ease, filter .65s ease;
  will-change: transform, opacity, filter;
}
.srail-card-inner {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}
/* continuous gentle 3D rotation for phone mockups — never pauses */
@media (prefers-reduced-motion: no-preference) {
  .screens-rail[data-variant="phone"] .srail-card-inner {
    animation: srail-float 8s ease-in-out infinite;
  }
}
@keyframes srail-float {
  0%   { transform: rotateY(-8deg) rotateX(1.6deg); }
  50%  { transform: rotateY(8deg) rotateX(-1.6deg); }
  100% { transform: rotateY(-8deg) rotateX(1.6deg); }
}

/* ---- phone mockup body ---- */
.srail-phone {
  width: 100%;
  height: 100%;
  border-radius: clamp(30px, 4.4cqw, 42px);
  padding: 9px;
  box-sizing: border-box;
  background: linear-gradient(160deg, #23232c, #101016 60%, #1b1b24);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), inset 0 0 0 1px rgba(0,0,0,.8);
  position: relative;
}
.srail-phone::after {
  /* notch */
  content: "";
  position: absolute;
  top: 17px;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 18px;
  border-radius: 12px;
  background: #07070a;
  z-index: 2;
}
.srail-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: clamp(22px, 3.4cqw, 34px);
  background: #0a0b11;
}

/* ---- desktop / browser frame ---- */
.srail-desk {
  width: 100%;
  height: 100%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  background: #0a0b11;
  box-shadow: 0 30px 80px rgba(0,0,0,.55);
  display: flex;
  flex-direction: column;
}
.srail-desk-bar {
  flex: 0 0 30px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  background: #14151c;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.srail-desk-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
}
.srail-desk img {
  flex: 1;
  width: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* ---- controls ---- */
.srail-ui {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-top: 30px;
}
.srail-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.75);
  font-size: var(--fs-body);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, color .2s ease, transform .15s ease;
}
.srail-btn:hover { background: rgba(255,255,255,.12); color: #fff; }
.srail-btn:active { transform: scale(.93); }
.srail-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 200px;
}
.srail-cap {
  font-family: var(--font-mono, monospace);
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.78);
  transition: opacity .3s ease;
  text-align: center;
}
.srail-count {
  font-family: var(--font-mono, monospace);
  font-size: var(--fs-meta);
  letter-spacing: .14em;
  color: rgba(255,255,255,.35);
}
@media (max-width: 720px) {
  .srail-ui { gap: 14px; margin-top: 22px; }
  .srail-meta { min-width: 120px; }
}

/* ---- fullscreen lightbox ---- */
.srail-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 56px);
  background: rgba(6, 6, 9, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}
.srail-lightbox.open {
  opacity: 1;
  visibility: visible;
}
.srail-lb-figure {
  position: relative;
  max-width: min(1400px, 94vw);
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(.96);
  transition: transform .3s cubic-bezier(.22,.8,.26,1);
}
.srail-lightbox.open .srail-lb-figure { transform: scale(1); }
.srail-lb-img {
  max-width: 100%;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 40px 120px rgba(0,0,0,.7);
  background: #0a0b11;
}
.srail-lb-cap {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  font-family: var(--font-mono, monospace);
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  text-align: center;
  pointer-events: none;
}
.srail-lb-close {
  position: fixed;
  top: 20px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.06);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .15s ease;
}
.srail-lb-close:hover { background: rgba(255,255,255,.16); }
.srail-lb-close:active { transform: scale(.92); }
.srail-lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.06);
  color: #fff;
  font-size: var(--fs-lead);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .15s ease;
}
.srail-lb-nav:hover { background: rgba(255,255,255,.16); }
.srail-lb-nav:active { transform: translateY(-50%) scale(.92); }
.srail-lb-prev { left: 20px; }
.srail-lb-next { right: 20px; }
@media (max-width: 720px) {
  .srail-lb-nav { width: 42px; height: 42px; font-size: var(--fs-body); }
  .srail-lb-prev { left: 10px; }
  .srail-lb-next { right: 10px; }
  .srail-lb-close { top: 12px; right: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .srail-lightbox, .srail-lb-figure { transition: none; }
}